Table 4.
Sample | Initial | Middle | End |
---|---|---|---|
Scalding water (52 °C) | ND | 4.22 ± 0.56 1 | 3.92 ± 0.59 |
Defeathering machine | ND | 2.79 ± 0.31 | 2.35 ± 0.65 |
Washing water (15 °C) | ND | ND | ND |
Working table | ND | ND | 1.23 ± 0.13 |
ND, not detected; 1 Mean ± standard deviation.